/* Colores corporativos ASINSPEC extraídos del logo */
:root {
  --asinspec-navy: #1a365d; /* Azul marino principal */
  --asinspec-blue: #2c5282; /* Azul intermedio */
  --asinspec-light-blue: #3182ce; /* Azul claro */
  --asinspec-gold: #d69e2e; /* Dorado principal */
  --asinspec-light-gold: #ecc94b; /* Dorado claro */
  --asinspec-dark-gold: #b7791f; /* Dorado oscuro */
  --asinspec-white: #ffffff;
  --asinspec-gray-50: #f7fafc;
  --asinspec-gray-100: #edf2f7;
  --asinspec-gray-200: #e2e8f0;
  --asinspec-gray-300: #cbd5e0;
  --asinspec-gray-600: #718096;
  --asinspec-gray-700: #4a5568;
  --asinspec-gray-800: #2d3748;
  --asinspec-success: #38a169;
  --asinspec-danger: #e53e3e;
  --asinspec-warning: #dd6b20;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--asinspec-gray-800);
  background: linear-gradient(135deg, var(--asinspec-gray-50) 0%, var(--asinspec-gray-100) 100%);
  min-height: 100vh;
  padding: 10px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--asinspec-white);
  box-shadow: 0 20px 60px rgba(26, 54, 93, 0.15);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--asinspec-gold) 0%, var(--asinspec-navy) 50%, var(--asinspec-gold) 100%);
}

/* Encabezado con logo */
.header-section {
  background: linear-gradient(135deg, var(--asinspec-navy) 0%, var(--asinspec-blue) 100%);
  color: var(--asinspec-white);
  padding: 30px 40px;
  text-align: center;
  position: relative;
}

.header-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--asinspec-gold);
}

.header-section img {
  max-height: 80px;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

h1 {
  text-align: center;
  color: var(--asinspec-white);
  margin: 0 0 10px 0;
  padding: 0;
  border: none;
  font-size: 28px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

h2 {
  color: var(--asinspec-navy);
  margin-bottom: 25px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.1) 0%, rgba(49, 130, 206, 0.1) 100%);
  border-left: 4px solid var(--asinspec-gold);
  border-radius: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

h3 {
  color: var(--asinspec-navy);
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-section {
  margin-bottom: 40px;
  padding: 30px;
  border: 2px solid var(--asinspec-gray-200);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  position: relative;
  overflow: hidden;
}

.form-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--asinspec-gold) 0%, var(--asinspec-navy) 100%);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--asinspec-navy);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 15px;
  border: 2px solid var(--asinspec-gray-300);
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
  background: var(--asinspec-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--asinspec-gold);
  box-shadow: 0 4px 15px rgba(214, 158, 46, 0.2);
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.05) 0%, rgba(49, 130, 206, 0.05) 100%);
}

/* Estado del Vehículo */
.estado-vehiculo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.columna {
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  padding: 20px;
  border-radius: 12px;
  border: 2px solid var(--asinspec-gray-200);
  box-shadow: 0 4px 15px rgba(26, 54, 93, 0.1);
}

.parte-vehiculo {
  margin-bottom: 20px;
  padding: 15px;
  background: linear-gradient(135deg, rgba(214, 158, 46, 0.05) 0%, rgba(49, 130, 206, 0.05) 100%);
  border-radius: 8px;
  border-left: 3px solid var(--asinspec-gold);
}

.parte-vehiculo label {
  font-weight: 600;
  display: block;
  margin-bottom: 10px;
  color: var(--asinspec-navy);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}

.radio-group {
  display: flex;
  gap: 15px;
}

.radio-group label {
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 8px 15px;
  border-radius: 20px;
  transition: all 0.3s ease;
  border: 2px solid var(--asinspec-gray-300);
  background: var(--asinspec-white);
  text-transform: none;
  font-size: 14px;
}

.radio-group label:hover {
  background: linear-gradient(135deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
  border-color: var(--asinspec-navy);
  color: var(--asinspec-navy);
  transform: translateY(-2px);
}

.radio-group input[type="radio"]:checked + label {
  background: linear-gradient(135deg, var(--asinspec-navy) 0%, var(--asinspec-blue) 100%);
  color: var(--asinspec-white);
  border-color: var(--asinspec-gold);
}

.radio-group-horizontal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.radio-group-horizontal label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  cursor: pointer;
  padding: 12px 25px;
  border-radius: 25px;
  transition: all 0.3s ease;
  border: 2px solid var(--asinspec-gray-300);
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
}

.radio-group-horizontal label:hover {
  background: linear-gradient(135deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
  border-color: var(--asinspec-navy);
  color: var(--asinspec-navy);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(214, 158, 46, 0.3);
}

.radio-group-horizontal input[type="radio"]:checked + label {
  background: linear-gradient(135deg, var(--asinspec-navy) 0%, var(--asinspec-blue) 100%);
  color: var(--asinspec-white);
  border-color: var(--asinspec-gold);
  box-shadow: 0 6px 20px rgba(26, 54, 93, 0.4);
}

/* Accesorios */
.accesorios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

/* Combustible */
.combustible-km {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: end;
}

#combustible {
  width: 100%;
  margin: 15px 0;
  height: 8px;
  border-radius: 4px;
  background: var(--asinspec-gray-200);
  outline: none;
  -webkit-appearance: none;
}

#combustible::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
  cursor: pointer;
  border: 2px solid var(--asinspec-navy);
  box-shadow: 0 2px 8px rgba(214, 158, 46, 0.4);
}

#combustible::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
  cursor: pointer;
  border: 2px solid var(--asinspec-navy);
  box-shadow: 0 2px 8px rgba(214, 158, 46, 0.4);
}

#combustible-value {
  font-weight: 700;
  color: var(--asinspec-navy);
  font-size: 18px;
  text-align: center;
  background: linear-gradient(135deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
  padding: 8px 15px;
  border-radius: 20px;
  display: inline-block;
  margin-top: 10px;
}

/* Novedades */
.novedades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.checkbox-group {
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  padding: 15px;
  border-radius: 8px;
  border: 2px solid var(--asinspec-gray-200);
  transition: all 0.3s ease;
}

.checkbox-group:hover {
  border-color: var(--asinspec-gold);
  box-shadow: 0 4px 15px rgba(214, 158, 46, 0.2);
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  cursor: pointer;
  color: var(--asinspec-gray-800);
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--asinspec-gold);
}

/* Otras opciones */
.otras-opciones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* Observaciones */
textarea {
  width: 100%;
  resize: vertical;
  min-height: 120px;
  padding: 15px;
  border: 2px solid var(--asinspec-gray-300);
  border-radius: 8px;
  font-family: inherit;
  transition: all 0.3s ease;
}

textarea:focus {
  border-color: var(--asinspec-gold);
  box-shadow: 0 4px 15px rgba(214, 158, 46, 0.2);
}

/* Firmas */
.firma-section {
  margin-bottom: 40px;
  padding: 30px;
  background: linear-gradient(135deg, rgba(26, 54, 93, 0.05) 0%, rgba(214, 158, 46, 0.05) 100%);
  border: 2px solid var(--asinspec-gold);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.firma-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--asinspec-gold) 0%, var(--asinspec-navy) 100%);
}

.firma-datos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 25px;
}

.canvas-container {
  text-align: center;
  margin-top: 20px;
}

canvas {
  border: 3px solid var(--asinspec-navy);
  border-radius: 8px;
  cursor: crosshair;
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

canvas:hover {
  border-color: var(--asinspec-gold);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1), 0 4px 15px rgba(214, 158, 46, 0.2);
}

.canvas-container button {
  margin-top: 15px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--asinspec-danger) 0%, #c53030 100%);
  color: white;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.canvas-container button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(229, 62, 62, 0.4);
}

/* Acciones del formulario */
.form-actions {
  text-align: center;
  margin-top: 40px;
  padding: 40px 30px;
  background: linear-gradient(135deg, var(--asinspec-navy) 0%, var(--asinspec-blue) 100%);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.form-actions::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
}

.form-actions button {
  padding: 15px 35px;
  margin: 0 15px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.form-actions button[type="submit"] {
  background: linear-gradient(135deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
  color: var(--asinspec-navy);
}

.form-actions button[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(214, 158, 46, 0.4);
}

.form-actions button[type="reset"] {
  background: linear-gradient(135deg, var(--asinspec-gray-600) 0%, var(--asinspec-gray-700) 100%);
  color: white;
}

.form-actions button[type="reset"]:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(113, 128, 150, 0.4);
}

/* Mensajes de error */
.error-message {
  color: var(--asinspec-danger);
  font-size: 14px;
  margin-top: 8px;
  display: none;
  font-weight: 500;
}

.error-message.show {
  display: block;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 15px;
    margin: 5px;
    border-radius: 12px;
  }

  .header-section {
    padding: 20px;
  }

  h1 {
    font-size: 22px;
  }

  .form-section {
    padding: 20px;
  }

  .estado-vehiculo {
    grid-template-columns: 1fr;
  }

  .combustible-km {
    grid-template-columns: 1fr;
  }

  .radio-group-horizontal {
    flex-direction: column;
    gap: 10px;
  }

  canvas {
    width: 100%;
    max-width: 350px;
  }

  .form-actions button {
    display: block;
    width: 100%;
    margin: 10px 0;
  }

  .firma-datos {
    grid-template-columns: 1fr;
  }
}

/* Sección de audio mejorada */
.audio-section {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: start;
}

.recording-controls {
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  padding: 25px;
  border-radius: 12px;
  border: 2px solid var(--asinspec-gold);
  box-shadow: 0 4px 15px rgba(214, 158, 46, 0.2);
}

.recording-controls h3 {
  margin-bottom: 20px;
  color: var(--asinspec-navy);
  text-align: center;
}

.record-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 25px;
}

.record-btn {
  padding: 12px 20px;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  min-width: 130px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.record-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.record-btn.start {
  background: linear-gradient(135deg, var(--asinspec-success) 0%, #2f855a 100%);
  color: white;
}

.record-btn.start:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(56, 161, 105, 0.4);
}

.record-btn.pause {
  background: linear-gradient(135deg, var(--asinspec-warning) 0%, #c05621 100%);
  color: white;
}

.record-btn.pause:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(221, 107, 32, 0.4);
}

.record-btn.stop {
  background: linear-gradient(135deg, var(--asinspec-danger) 0%, #c53030 100%);
  color: white;
}

.record-btn.stop:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(229, 62, 62, 0.4);
}

.record-btn.clear {
  background: linear-gradient(135deg, var(--asinspec-gray-600) 0%, var(--asinspec-gray-700) 100%);
  color: white;
}

.record-btn.clear:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(113, 128, 150, 0.4);
}

.recording-status {
  text-align: center;
}

.recording-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 15px;
}

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--asinspec-gray-300);
  transition: all 0.3s ease;
}

.status-dot.recording {
  background-color: var(--asinspec-danger);
  animation: pulse 1s infinite;
}

.status-dot.paused {
  background-color: var(--asinspec-warning);
}

@keyframes pulse {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.recording-timer {
  font-size: 28px;
  font-weight: 700;
  color: var(--asinspec-navy);
  margin-bottom: 20px;
  font-family: "Courier New", monospace;
}

.recording-progress {
  width: 100%;
  height: 10px;
  background-color: var(--asinspec-gray-200);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(135deg, var(--asinspec-light-blue) 0%, var(--asinspec-blue) 100%);
  width: 0%;
  transition: width 0.1s ease;
}

.progress-bar.warning {
  background: linear-gradient(135deg, var(--asinspec-warning) 0%, #c05621 100%);
}

.progress-bar.danger {
  background: linear-gradient(135deg, var(--asinspec-danger) 0%, #c53030 100%);
}

.audio-playback {
  background: linear-gradient(135deg, var(--asinspec-gray-50) 0%, var(--asinspec-white) 100%);
  padding: 20px;
  border-radius: 8px;
  border: 1px solid var(--asinspec-gray-200);
  margin-top: 20px;
}

.audio-playback h4 {
  margin-bottom: 15px;
  color: var(--asinspec-navy);
}

.audio-playback audio {
  width: 100%;
  margin-bottom: 15px;
}

.audio-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--asinspec-gray-600);
}

.audio-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--asinspec-gray-600);
}

.audio-separator span {
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  padding: 15px;
  border: 2px solid var(--asinspec-gold);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(214, 158, 46, 0.2);
}

.file-upload-section {
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  padding: 25px;
  border-radius: 12px;
  border: 2px solid var(--asinspec-gray-300);
  box-shadow: 0 4px 15px rgba(26, 54, 93, 0.1);
}

.file-upload-section h3 {
  margin-bottom: 20px;
  color: var(--asinspec-navy);
  text-align: center;
}

/* Responsive para audio */
@media (max-width: 768px) {
  .audio-section {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .audio-separator {
    transform: rotate(90deg);
  }

  .record-buttons {
    flex-direction: column;
  }

  .record-btn {
    min-width: auto;
    width: 100%;
  }
}

/* Animaciones de entrada */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-section {
  animation: fadeInUp 0.6s ease-out;
}

.form-section:nth-child(even) {
  animation-delay: 0.1s;
}

/* Estados de validación */
.form-group input:valid:not(:placeholder-shown) {
  border-color: var(--asinspec-success);
  background: linear-gradient(135deg, rgba(56, 161, 105, 0.05) 0%, rgba(56, 161, 105, 0.02) 100%);
}

.form-group input:invalid:not(:placeholder-shown) {
  border-color: var(--asinspec-danger);
  background: linear-gradient(135deg, rgba(229, 62, 62, 0.05) 0%, rgba(229, 62, 62, 0.02) 100%);
}

/* ===== MEJORAS PARA MÓVIL ===== */

/* Modal para firmas en móvil */
.firma-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 54, 93, 0.95);
  backdrop-filter: blur(5px);
}

.firma-modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--asinspec-white) 0%, var(--asinspec-gray-50) 100%);
  border-radius: 16px;
  padding: 0;
  width: 95%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 3px solid var(--asinspec-gold);
}

.firma-modal-header {
  background: linear-gradient(135deg, var(--asinspec-navy) 0%, var(--asinspec-blue) 100%);
  color: var(--asinspec-white);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.firma-modal-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--asinspec-gold);
}

.firma-modal-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.firma-modal-close {
  background: none;
  border: none;
  color: var(--asinspec-gold);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  padding: 5px;
  border-radius: 50%;
  transition: all 0.3s ease;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.firma-modal-close:hover {
  background: rgba(214, 158, 46, 0.2);
  transform: scale(1.1);
}

.firma-modal-body {
  padding: 25px;
  text-align: center;
}

.firma-modal-canvas {
  border: 3px solid var(--asinspec-navy);
  border-radius: 12px;
  background: var(--asinspec-white);
  cursor: crosshair;
  touch-action: none;
  width: 100%;
  max-width: 400px;
  height: 200px;
  margin-bottom: 20px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.firma-modal-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.firma-modal-btn {
  padding: 12px 25px;
  border: none;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 120px;
}

.firma-modal-btn-save {
  background: linear-gradient(135deg, var(--asinspec-success) 0%, #2f855a 100%);
  color: white;
}

.firma-modal-btn-clear {
  background: linear-gradient(135deg, var(--asinspec-warning) 0%, #c05621 100%);
  color: white;
}

.firma-modal-btn-cancel {
  background: linear-gradient(135deg, var(--asinspec-gray-600) 0%, var(--asinspec-gray-700) 100%);
  color: white;
}

.firma-modal-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Botón para abrir modal de firma en móvil */
.firma-mobile-trigger {
  display: none;
  width: 100%;
  padding: 20px;
  background: linear-gradient(135deg, var(--asinspec-gold) 0%, var(--asinspec-light-gold) 100%);
  color: var(--asinspec-navy);
  border: 3px solid var(--asinspec-navy);
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
}

.firma-mobile-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(214, 158, 46, 0.4);
}

.firma-mobile-trigger:active {
  transform: translateY(0);
}

/* Indicador de firma completada */
.firma-completed {
  display: none;
  padding: 15px;
  background: linear-gradient(135deg, var(--asinspec-success) 0%, #2f855a 100%);
  color: white;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  margin-bottom: 15px;
}

.firma-completed::before {
  content: "✓ ";
  font-size: 18px;
  margin-right: 8px;
}

/* Mejoras específicas para móvil */
@media (max-width: 768px) {
  /* Ocultar canvas original en móvil */
  .canvas-container canvas {
    display: none;
  }

  .canvas-container button {
    display: none;
  }

  /* Mostrar botón para abrir modal */
  .firma-mobile-trigger {
    display: block;
  }

  /* Ajustar secciones de firma */
  .firma-section {
    padding: 20px;
  }

  .firma-datos {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  /* Mejorar inputs en móvil */
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* Previene zoom en iOS */
    padding: 15px;
  }

  /* Mejorar botones en móvil */
  .form-actions button {
    padding: 18px 25px;
    font-size: 18px;
    margin: 10px 0;
    width: 100%;
  }

  /* Mejorar checkboxes y radios en móvil */
  .checkbox-group label,
  .radio-group label,
  .radio-group-horizontal label {
    padding: 18px 20px;
    font-size: 16px;
    min-height: 60px;
  }

  /* Mejorar sliders en móvil */
  #combustible {
    height: 12px;
  }

  #combustible::-webkit-slider-thumb {
    width: 28px;
    height: 28px;
  }

  #combustible::-moz-range-thumb {
    width: 28px;
    height: 28px;
  }

  /* Mejorar audio en móvil */
  .audio-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .record-btn {
    padding: 15px 20px;
    font-size: 16px;
    min-height: 50px;
  }
}

@media (max-width: 480px) {
  /* Ajustes para pantallas muy pequeñas */
  .firma-modal-content {
    width: 98%;
    margin: 10px;
  }

  .firma-modal-canvas {
    height: 150px;
  }

  .firma-modal-actions {
    flex-direction: column;
  }

  .firma-modal-btn {
    width: 100%;
    margin: 5px 0;
  }

  /* Mejorar formulario en pantallas pequeñas */
  .form-section {
    padding: 15px;
    margin-bottom: 20px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  /* Mejorar estado del vehículo */
  .estado-vehiculo {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .parte-vehiculo {
    padding: 12px;
  }

  .radio-group {
    flex-direction: column;
    gap: 8px;
  }

  .radio-group label {
    justify-content: center;
    min-height: 50px;
  }
}

/* Prevenir scroll cuando el modal está abierto */
body.modal-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
}

/* Animaciones para el modal */
@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -60%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.firma-modal.show .firma-modal-content {
  animation: modalFadeIn 0.3s ease-out;
}

/* Mejoras de accesibilidad táctil */
@media (hover: none) and (pointer: coarse) {
  /* Estilos específicos para dispositivos táctiles */
  .btn,
  .form-group input,
  .form-group select,
  .checkbox-group label,
  .radio-group label {
    min-height: 44px; /* Tamaño mínimo recomendado para táctil */
  }

  /* Mejorar área de toque para elementos pequeños */
  .canvas-container button,
  .clear-btn,
  .record-btn {
    min-height: 48px;
    min-width: 48px;
  }
}

/* Orientación landscape en móvil */
@media (max-width: 768px) and (orientation: landscape) {
  .firma-modal-content {
    max-height: 95vh;
    overflow-y: auto;
  }

  .firma-modal-canvas {
    height: 120px;
  }

  .form-section {
    padding: 15px;
  }
}

/* Mejoras para dispositivos con notch */
@supports (padding: max(0px)) {
  .firma-modal-content {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
}

/* Modal para firmar en móvil */
.modal-firma {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background: var(--asinspec-white);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: relative;
}

.modal-header {
  background: linear-gradient(135deg, var(--asinspec-navy) 0%, var(--asinspec-blue) 100%);
  color: var(--asinspec-white);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 16px 16px 0 0;
}

.modal-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--asinspec-white);
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-body {
  padding: 30px;
}

.modal-instrucciones {
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(241, 196, 15, 0.1) 100%);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 25px;
  border-left: 4px solid var(--asinspec-gold);
}

.modal-instrucciones p {
  margin: 0 0 10px 0;
  font-size: 14px;
  color: var(--asinspec-blue);
  font-weight: 500;
}

.modal-instrucciones p:last-child {
  margin-bottom: 0;
}

.modal-canvas-container {
  text-align: center;
  margin-bottom: 25px;
}

#canvas-modal {
  border: 4px solid var(--asinspec-blue);
  border-radius: 12px;
  background: var(--asinspec-white);
  box-shadow: inset 0 4px 8px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
  height: 200px;
  touch-action: none;
}

.modal-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.modal-buttons .btn {
  flex: 1;
  max-width: 150px;
}

/* Botones para firmar en móvil */
.btn-firmar-movil {
  display: none;
  width: 100%;
  padding: 15px 25px;
  background: linear-gradient(135deg, var(--asinspec-light-blue) 0%, #2980b9 100%);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 15px;
}

.btn-firmar-movil:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

/* Responsive para móvil */
@media (max-width: 768px) {
  .canvas-desktop {
    display: none !important;
  }

  .btn-firmar-movil {
    display: block !important;
  }

  .modal-content {
    margin: 10px;
    max-height: 95vh;
  }

  .modal-body {
    padding: 20px;
  }

  #canvas-modal {
    height: 180px;
  }
}

@media (max-width: 480px) {
  .modal-body {
    padding: 15px;
  }

  #canvas-modal {
    height: 160px;
  }

  .modal-buttons {
    flex-direction: column;
  }

  .modal-buttons .btn {
    max-width: none;
  }
}

/* Orientación landscape para móvil */
@media screen and (orientation: landscape) and (max-height: 500px) {
  .modal-content {
    max-height: 95vh;
    overflow-y: auto;
  }

  .modal-body {
    padding: 15px;
  }

  #canvas-modal {
    height: 120px;
  }

  .modal-instrucciones {
    padding: 15px;
    margin-bottom: 15px;
  }
}